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21 
22 
23 
24 #ifndef INCLUDED_EXTERNALVIEWLOGGER_HXX
25 #define INCLUDED_EXTERNALVIEWLOGGER_HXX
26 
27 #ifndef INCLUDED_LOGGER_HXX
28 #include <odiapi/props/Logger.hxx>
29 #endif
30 
31 #include <fstream>
32 #include <stack>
33 #include <map>
34 #include <utility>
35 #include <boost/shared_ptr.hpp>
36 
37 namespace util {
38 
39   struct NodeDescription
40   {
41 	typedef boost::shared_ptr<NodeDescription> Pointer_t;
42 
43 	NodeDescription(const std::string& parent, const std::string& refersTo, const std::string& value, bool inUse);
44 
45 	std::string mParentNodeId;
46 	std::string mRefersToNodeId;
47 	std::string mNodeValue;
48 	bool mInUse;
49   };
50 
51   /** A file logger
52    */
53   class ExternalViewLoggerImpl : public Logger
54   {
55   public:
56     ExternalViewLoggerImpl(const std::string& fileName);
57 
58     virtual void beginTree();
59     virtual void endTree();
60 
61     virtual void beginNode(const std::string& nodeId, const std::string& value, const std::string& refersToNodeId, bool inUse);
62     virtual void endNode(const std::string& nodeId);
63 
64   private:
65     bool isLeaf(const std::string& nodeId);
66     bool isUnreferencedLeaf(const std::string& nodeId);
67     bool isReferenced(const std::string& nodeId);
68 	bool isReferingToOtherNode(const std::string& nodeId);
69 	bool hasParent(const std::string& nodeId);
70     void dumpTree(const std::string& nodeId);
71 	std::string getValue(const std::string& nodeId);
72 	std::string getNewStyleName();
73 	void dumpNodeContainer(const std::string& fileName);
74 
75   private:
76 	typedef std::map<std::string, NodeDescription::Pointer_t> NodeContainer_t;
77 
78 	std::string mFileName;
79 	NodeContainer_t mNodeContainer;
80 	std::ofstream mFile;
81 	std::stack<std::string> mParentNodeStack;
82   };
83 
84 } // namespace util
85 
86 #endif // INCLUDED_LOGGER_HXX
87